十四章上机2

来源：互联网发布：佛教通史知无涯编辑：程序博客网时间：2024/04/30 13:27

实现客户录入后续修改再次录入

package kj;                                                                                                                                                                                                                                                                                                                          public class shangji2 {String []names=new String[5];public void addName(String name){for(int i=0;i<5;i++){if(names[i]==null){names[i]=name;break;}}         }public void showname(){System.out.println("        客户姓名列表:");for(int i=0;i<5;i++){System.out.print(names[i]+"  ");}}public boolean old(String oldname,String newname){boolean find=false;for(int i=0;i<names.length;i++){if(names[i].equals(oldname)){names[i]=newname;find=true;break;}}return find;}}

package kj;import java.util.*;public class shangji22 {public static void main(String[] args) {String name;shangji2 a = new shangji2();Scanner input = new Scanner(System.in);for (int i = 0; i < 5; i++) {System.out.println("请输入姓名");name = input.next();a.addName(name);}System.out.println("请输入要修改的名字:");String oldname=input.next();System.out.println("修改后的名字:");String newname=input.next();if(a.old(oldname, newname)){a.showname();}}}

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